<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span @click="select(2)" class="block positive" :class="{'active': selectedType===2}">{{desc.all}}<span class="count">{{ratings.length}}</span></span>
      <span @click="select(0)" class="block positive" :class="{'active': selectedType===0}">{{desc.positive}}<span class="count">{{positives.length}}</span></span>
      <span @click="select(1)" class="block negative" :class="{'active': selectedType===1}">{{desc.negative}}<span class="count">{{negatives.length}}</span></span>
    </div>
    <div @click="toggleContent" class="switch" :class="{'on':onlyContentFlag}">
      <i class="icon-check_circle"></i>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
const POSITIVE = 0;
const NEGATIVR = 1;
const ALL = 2;

export default {
  props: {
    ratings: {  
      type: Array,
      default () {
        return [];
      }
    },
    selectType: {
      type: Number,
      default: ALL
    },
    onlyContent: {
      type: Boolean,
      default: false
    },
    desc: {
      type: Object,
      default () {
        return {
          all: '全部',
          positive: '满意',
          negative: '不满意'
        };
      }
    }
  },
  data () {
    return {
      selectedType: this.selectType,
      onlyContentFlag: this.onlyContent
    };
  },
  computed: {
    positives () {
      return this.ratings.filter((rating) => {
        return rating.rateType === POSITIVE;
      });
    },
    negatives () {
      return this.ratings.filter((rating) => {
        return rating.rateType === NEGATIVR;
      });
    }
  },
  methods: {
    select (type) {
      this.selectedType = type;
      this.$root.eventHub.$emit('ratingtypeselect', this.selectedType);
    },
    toggleContent () {
      this.onlyContentFlag = !this.onlyContentFlag;
      this.$root.eventHub.$emit('contentshow', this.onlyContentFlag);
    }
  }
};
</script>

<style lang="stylus" scoped="scoped">
  @import "../../common/stylus/mixin.styl"
  .rating-type
    padding: 18px 0
    margin: 0 18px
    border-bottom-1px(rgba(7, 17, 27, .1))
    .block
      display: inline-block
      padding: 8px 12px
      margin-right: 8px
      font-size: 12px
      line-height: 16px
      border-radius: 1px
      color: rgb(77, 85, 93)
      &.active
        color: #fff
      .count
        font-size: 8px
        margin-left: 2px
      &.positive
        background-color: rgba(0, 160, 220, .2)
        &.active
          background-color: rgb(0, 160, 220)
      &.negative
        background-color: rgba(77, 85, 93, .2)
        &.active
          background-color: rgb(77, 85, 93)
  .switch
    padding: 12px 18px
    border-bottom: 1px solid rgba(7, 17, 27, .1)
    color: rgb(147, 153, 159)
    line-height: 24px
    font-size: 0
    &.on
      .icon-check_circle
        color: #00c850
    .icon-check_circle
      font-size: 24px
      vertical-align: top
      margin-right: 4px
    .text
      font-size: 12px
      vertical-align: top
</style>
